This TV remote control receiver uses a ratchet system to activate an old drum-type selector to change channels. A common system at the time. The circuit is from a Radio Electronics from February 1961.
This timer produces a continuous sound at the end of the timer set in potentiometer RV1. The...
This 3-and-a-half-digit voltmeter was obtained in a 1991 documentation. Actuating integrated...
We found this temperature control in the SGS manual of linear integrated circuits of 1982. The...